Cirrus Logic CS42L73 - Manual (Page 132)

132 DS882F1
CS42L73
8.4.2 DAC HPF Response
8.4.3 Output Analog Volume Nonlinearity (DNL and INL)
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
x 10 −3
−3.5
−3
−2.5
−2
−1.5
−1
−0.5
0
0.5
Normalised to Fs
Amplitude in dB
Figure 59. DAC HPF Frequency Response
-50 -40 -30 -20 -10 0 10
0.9
0.92
0.94
0.96
0.98
1
1.02
1.04
1.06
1.08
1.1
DAC Analog Volume Setting (dB)
Ac
tu
al
St
ep
Siz
e (
dB)
_ _ p_ pp y , p
ChA
ChB
-75 -70 -65 -60 -55
1.7
1.75
1.8
1.85
1.9
1.95
2
2.05
2.1
DAC Analog Volume Setting (dB)
Ac
tu
al
St
ep
Siz
e (
dB
)
_ _ p_ pp y , p
ChA
ChB
Figure 60. HPOUTx DNL (-50 to +12 dB) Figure 61. HPOUTx DNL (-76 to -52 dB)
-50 -40 -30 -20 -10 0 10
-50
-40
-30
-20
-10
0
10
DAC Analog Volume Setting (dB)
O
ut
put
Lev
el
(
dB
)
_ _ p_ pp y p
ChA
ChB
-75 -70 -65 -60 -55
-75
-70
-65
-60
-55
DAC Analog Volume Setting (dB)
O
ut
put
Lev
el
(
dB
)
_ _ p_ pp y , p
ChA
ChB
Figure 62. HPOUTx INL (-50 to +12 dB) Figure 63. HPOUTx INL (-76 to -52 dB)